rem

• Существительное, обозначающее повторяющуюся фазу сна, характеризующуюся быстрыми движениями глаз и яркими сновидениями, или единицу дозы радиации.

A noun referring to a recurring sleep state characterized by rapid eye movements and vivid dreaming, or a unit of radiation dosage.

неисчисляемое · имя собственное

1. B2formalmedical

   A recurring sleep state characterized by rapid eye movements, increased brain activity, and vivid dreaming.

   Быстрое движение глаз

   • Most dreaming occurs during REM sleep.
   • The patient entered REM sleep about 90 minutes after falling asleep.
   • Lack of REM sleep can affect memory and mood.

   Синонимыparadoxical sleeprem sleep

2. Roentgen Equivalent ManC1formalscientific

   A unit of measurement for the biological effect of ionizing radiation on human tissue, equivalent to 1 roentgen of X-rays.

   Бэр

   • The radiation exposure was measured at 0.5 REM.
   • Workers in nuclear plants are monitored for their REM dose.
   • The safety limit is set at 5 REM per year for radiation workers.